This cheat sheet covers common Spanish verbs and present-tense conjugation patterns that students use in everyday speaking and writing. It helps students choose the correct verb ending for each subject pronoun. It also highlights high-frequency irregular verbs that do not follow the regular patterns.
Students in grades 6-12 can use it as a quick reference for homework, class practice, and review.
Key Facts
- To conjugate a regular -ar verb in the present tense, remove -ar and add o, as, a, amos, áis, or an.
- To conjugate a regular -er verb in the present tense, remove -er and add o, es, e, emos, éis, or en.
- To conjugate a regular -ir verb in the present tense, remove -ir and add o, es, e, imos, ís, or en.
- The subject pronouns are yo, tú, él, ella, usted, nosotros, nosotras, vosotros, vosotras, ellos, ellas, and ustedes.
- Ser is used for identity, origin, time, characteristics, professions, and relationships, as in yo soy, tú eres, él es, nosotros somos, vosotros sois, ellos son.
- Estar is used for location, feelings, conditions, and temporary states, as in yo estoy, tú estás, él está, nosotros estamos, vosotros estáis, ellos están.
- Some common present-tense irregular yo forms are tener: tengo, hacer: hago, ir: voy, estar: estoy, and poner: pongo.
- Stem-changing verbs keep regular endings but change the stem in most forms, such as querer: quiero, quieres, quiere, queremos, queréis, quieren.
Vocabulary
- Infinitive
- The base form of a Spanish verb before it is conjugated, such as hablar, comer, or vivir.
- Conjugation
- The process of changing a verb form to match the subject, tense, and meaning of a sentence.
- Subject pronoun
- A word that names who is doing the action, such as yo, tú, nosotros, or ellos.
- Regular verb
- A verb that follows the normal ending pattern for its verb group, such as -ar, -er, or -ir.
- Irregular verb
- A verb that does not fully follow the normal conjugation pattern and must often be memorized.
- Stem-changing verb
- A verb that changes part of its stem in some forms while usually keeping the regular present-tense endings.
Common Mistakes to Avoid
- Using the infinitive after a subject, such as yo hablar, is wrong because the verb must be conjugated to match the subject: yo hablo.
- Mixing -ar, -er, and -ir endings is wrong because each verb group has its own present-tense pattern, such as tú hablas but tú comes.
- Forgetting accent marks in forms like tú estás or vosotros coméis is wrong because accents can show correct pronunciation and distinguish meanings.
- Using ser and estar interchangeably is wrong because ser usually describes identity or lasting traits, while estar usually describes location or temporary states.
- Changing the stem in the nosotros or vosotros forms of many stem-changing verbs is wrong because verbs like querer use queremos and queréis, not quieremos or quieréis.
Practice Questions
- 1 Conjugate hablar in the present tense for yo, tú, ella, nosotros, and ellos.
- 2 Fill in the blanks with the correct form of tener: Yo ___ dos hermanos. Nosotros ___ mucha tarea. Ellas ___ una pregunta.
- 3 Choose ser or estar and conjugate it: Mi amiga ___ de México. Los libros ___ en la mesa. Yo ___ cansado hoy.
- 4 Explain why a speaker would use estar instead of ser in the sentence Estoy nervioso antes del examen.
Understanding Common Verbs & Conjugations
Spanish verbs carry a great deal of information in one word. The ending usually tells the listener who performs the action, so speakers often leave out subject pronouns. Hablo can mean I speak without yo appearing before it.
This is normal in Spanish, not missing information. Pronouns are useful when a speaker wants emphasis, contrast, or clarity. For example, yo estudio means I study, while ella estudia means she studies.
Notice that the verb changes even when the action is similar. Learning to notice the ending first makes sentences easier to understand when reading or listening.
The verb stem holds the main meaning, while the ending connects that meaning to a person. This pattern helps students build many new verbs from a small set of rules. Still, pronunciation affects some forms.
Accent marks can show which syllable is stressed and can separate forms that look similar. They are part of the spelling, not optional decoration.
Students should pay close attention to the difference between tú and tu, or él and el, because accents can change the job or meaning of a word. In writing, correct accents make the intended subject clearer.
Some verbs change because of their history in the language. These changes are not random, although they must often be learned through repeated use. Stem-changing verbs commonly change in forms that have a stronger stress on the stem.
The nosotros and vosotros forms often keep the original stem. This pattern is sometimes called the boot pattern because the changed forms make a boot-like shape on a conjugation chart.
It is useful to learn verbs in groups, such as verbs that change e to ie or o to ue. Memorizing one full example gives a model for several related verbs.
Choosing between ser and estar requires attention to meaning, not just translation. English uses the same word, to be, in many situations where Spanish makes a distinction. A person can be aburrido, meaning boring as a trait, or estar aburrido, meaning bored at that moment.
A person can be listo, meaning clever, or estar listo, meaning ready. These choices appear in classroom descriptions, introductions, schedules, travel directions, texts about feelings, and conversations with friends. When practicing, write short sentences about real people and places.
Say who someone is, where they are, how they feel, and what they do. Then read the sentence aloud and check whether the verb ending matches the person doing the action.